CN106796515A - For the system and method for the user interface frame of metadata driven - Google Patents

For the system and method for the user interface frame of metadata driven Download PDF

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Publication number
CN106796515A
CN106796515A CN201580041664.5A CN201580041664A CN106796515A CN 106796515 A CN106796515 A CN 106796515A CN 201580041664 A CN201580041664 A CN 201580041664A CN 106796515 A CN106796515 A CN 106796515A
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China
Prior art keywords
metadata
activity
request
network application
client
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CN201580041664.5A
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Chinese (zh)
Inventor
亚当·瓦格纳
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Benefitfocus Inc
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Benefitfocus com Inc
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90Details of database functions independent of the retrieved data types
    • G06F16/95Retrieval from the web
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/451Execution arrangements for user interfaces
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/131Protocols for games, networked simulations or virtual reality

Abstract

The invention discloses a kind of method and system for providing the user interface of metadata driven for network application.System includes host component, metadata interpreter, rendering engine and response assemblies.The host component is configured as receiving at least one of request to network application from client.The metadata interpreter is configured as the metadata of the user interface of the retrieval description network application.The rendering engine is configured as rendering initial screen based on the metadata.The initial screen shown for the client is relevant with the activity of the network application.The response assemblies are configured as sending the metadata and the initial screen to the client.

Description

For the system and method for the user interface frame of metadata driven
Cross-Reference to Related Applications
Patent application claims are in entitled " the SYSTEMS AND METHODS FOR A of submission on the 10th of September in 2014 The U.S. Patent application No.14/482 of METADATA DRIVEN USER INTERFACE FRAMEWORK ", 437 priority, Entire contents are incorporated herein by reference.
Technical field
The application is related to the system and method for utilizing the metadata to create network (web) application user interface (UI).
Brief description of the drawings
Fig. 1 is the block diagram of the system for providing metadata driven UI according to one embodiment.
Fig. 2 is the schematic block diagram of the server system for providing metadata driven UI according to one embodiment.
Fig. 3 is the schematic block diagram of the client for providing metadata driven UI according to one embodiment.
Fig. 4 is the block diagram that binge level is shown according to the figure of one embodiment.
Fig. 5 is the flow chart of the method for providing metadata driven UI according to one embodiment.
Fig. 6 is the flow chart of the other method for providing metadata driven UI according to one embodiment.
Specific embodiment
Web applications allow software in trust on the server, permission access software and allow software in client device Upper operation.For example, web applications generally include the software that can be run in the web browser.When software distribution and installation is in office When becoming difficult and troublesome in what potential customers' end equipment, web is using particularly useful.For example, can single position (for example, Server) place safeguarded and updated to web applications, so that any client with browser can be accessed and used Web is applied.
Only can be by with the visit to web application source codes or file from traditional web applications user interface (UI) For the meaning of the developer's change asked, traditional web applications user interface (UI) are static.For example, it is desired to develop Personnel carry out hard coded to web applications UI.In some cases, different permit holders is (for example, different Business Entities or visitor Family end) unique UI is may expect, unique UI is including poly- group of UI navigation, process or process etc..In order to provide unique UI, compile Cheng personnel or developer must modify to code, this may cause for new web apply.In some situations Under, in the case where not encoded largely, unique outward appearance of each permit holder and impression may is that possible.However, Many permit holders want poly- group different process together, the different order of implementation procedure, by web apply it is different (rather than aesthetic) change of other functions of navigation or flow or web applications UI.Realize function and navigation change May be particularly expensive, so as to cause the programming cost of trustship cost higher and Geng Gao.Therefore, when high cost must make us being difficult to hold By when, the need for what permit holder was often developed that personnel have determined can most meet most of potential permit holders or client UI functions are stranded.
Applicants have realized that, it is necessary to for generating web in the case where hard coded need not be carried out to UI modifications The system and method for the UI of application, and disclosed herein the system and the method.This application discloses for based on unit Data generate system, the method and apparatus of web applications UI.According to one embodiment, service system includes host component, first number According to interpreter, rendering engine and response assemblies.Host component is configured as receiving at least to web applications from client The request for dividing.Metadata interpreter is configured as the metadata of the UI of retrieval description web applications.Rendering engine is configured as being based on Metadata is rendered to initial screen (screen).Initial screen includes the screen shown for client, the screen and web Application it is movable relevant.Response assemblies are configured as sending metadata and initial screen to client.
According to another embodiment, FTP client FTP includes request component, receiver assembly, display module and metadata solution Release device.Request component is configured as sending at least one of request for applying web to server.Receiver assembly is matched somebody with somebody It is set to and receives the response to asking from server.Response includes describing the metadata and initial screen of the UI that web is applied UI assets.Display module is configured as showing initial screen over the display, and metadata interpreter is configured as to first number According to being processed, runtime operation is provided with for web applications.
Embodiment of the disclosure will be best understood by referring to accompanying drawing, wherein, identical numeral specifies identical all the time Element.In the following description, there is provided many details are thoroughly understanding embodiment described herein.However, ability Domain it will be recognized that one or more during detail can be omitted, or other methods, group can be used Part or material.In some cases, in order to avoid making the prior aspect indigestibility of the disclosure, it is not illustrated in detail in Or describe operation.
Additionally, described feature, operation or characteristic can in any suitable manner combine at one or many In individual embodiment.It will also be readily appreciated that the disclosed embodiments can be combined and be described method the step of or action Order is changed into obvious to those skilled in the art.Therefore, any order in accompanying drawing or detailed description is only It is merely illustrative, and does not mean the required order of hint, this is needed sequentially except non-designated.
Embodiment can include various steps, and the various steps can be presented as the machine for treating to be performed by computer system Executable instruction.Computer system includes one or more general or special-purpose computer (or other electronic equipments).Replace Selection of land, computer system can include nextport hardware component NextPort, the nextport hardware component NextPort include for perform step certain logic or including The combination of hardware, software, and/or firmware.
Embodiment may be provided with being computer program product, and the computer program product includes being stored with the meter of instruction Calculation machine computer-readable recording medium, the instruction can be used for being programmed computer system or other electronic equipments, to perform this paper institutes The process of description.Computer-readable medium can be included but is not limited to:Hard disk drive, diskette, CD, CD-ROM, DVD- ROM, ROM, RAM, EPROM, EEPROM, magnetic card or light-card, solid storage device or be suitable for store e-command its Medium/the computer-readable medium of its type.
Computer system and computer in computer systems can be via network connections.Configuration described herein And/or the suitable network of purposes includes one or more LAN, wide area network, Metropolitan Area Network (MAN), and/or internet or IP network Network, such as, WWW, private internet, safety internet, value-added network, VPN, extranet, Intranet or Person is by the physical transfer of medium and the even independent machine (so-called " sneakernet ") of other machine communications.Specifically, close Suitable network (including can use the net of different hardware and the network communications technology by two or more other networks Network) some or all of formed.
One suitable network includes server and multiple client.Other suitable networks can include server, visitor Other combinations of family end, and/or peer node, and given computer system can function simultaneously as client and server two Person.Each network include at least two computers or computer system, such as, server and/mutually client.Computer system Work station, laptop computer, the mobile computer that can be disconnected, server, mainframe, cluster, so-called can be included " network computer " or " thin-client ", tablet PC, smart phone, personal digital assistant or other hand-held meters Calculation equipment, " intelligence " consumer electronics or electrical equipment, Medical Devices or its combination.
Network can include communication or networking software, such as, can from Novell, Microsoft, Artisoft and other The software that supplier obtains, and can by twisted-pair feeder, coaxial or fiber optic cables, telephone wire, satellite, microwave link, Modulated ac power cable, physical medium transport, and/or other data transfers " line " known to those skilled in the art, come Operated by using TCP/IP, SPX, IPX and other agreements.
Each computer system includes at least one processor and memory;Computer system can also include various inputs Equipment and/or output equipment.Processor can include common apparatus, such as,Or other are " ready-made " microprocessor.Processor can include dedicated treatment facility, such as, ASIC, SoC, SiP, FPGA, PAL, PLA, FPLA, PLD or other self-defined or programmable devices.Memory can include static state RAM, dynamic ram, flash memory, one or Multiple triggers, ROM, CD-ROM, disk, tape, magnetic memory, optical memory or other computer-readable storage mediums.It is defeated Entering equipment can include keyboard, mouse, touch-screen, light pen, tablet PC, microphone, sensor or with firmware of enclosing And/or other hardware of software.Output equipment can include monitor or other displays, printer, voice or text Synthesizer, interchanger, holding wire or other hardware with enclose firmware and/or software.
Computer system may can using floppy disk, tape drive, optical drive, MO drive or Person other devices read storage medium.Suitable storage medium includes that the magnetic computer-readable with specific physical configuration is stored Equipment, optical computer readable storage device or other computer readable storage devices.Suitable storage device includes floppy disk Driver, hard disk drive, tape, CD-ROM, DVD, PROM, RAM, flash memory and other computer system storage devices.Physics Allocation list registration evidence and instruction, the instruction make computer system be grasped according to specific and predefined mode described herein Make.
Those skilled in the art is easy to by using teaching presented herein and programming language and instrument (such as Java, Pascal, C++, C, database language, API, SDK, assembler language, firmware, microcode, and/or other voices and work Tool) help to realize suitable software of the invention providing.Suitable signal format can be presented as with or without The simulation of error detection and/or correction bit or digital form, packet header, the network address, and/or this area of specific format Technical staff be easy to provide other support data.
The many aspects of described embodiment will be illustrated as software module or component.As it is used herein, soft Part module or component can include that any kind of computer instruction or computer in memory devices are executable Code.For example, software module can include:One or more physics or logical block of computer instruction, this or Multiple physics or logical block can be organized into one or more task of execution or realize particular abstract data type Routine, program, object, component, data structure etc..
In certain embodiments, specific software module can include:The function described by module is being realized in storage jointly Memory devices, different memory devices or different computers in the different finger that is stored at different position Order.In fact, module can include single instruction or many instructions, and can be distributed on multiple different code segments, It is distributed in different programs and across the distribution of multiple memory devices.Some embodiments can be in task by by communication network Carried out in the DCE that the remote processing devices of network link are performed.In a distributed computing environment, software module can Be located locally and/or remote memory memory devices in.In addition, be tied in data-base recording or rendered together Data may reside within identical memory devices, it is or across multiple memory devices resident, or can be existed with across a network It is linked together in the field of the record in database.
Can exist with most of infrastructure used according to the invention, such as:All-purpose computer, computer programming Instrument and technology, computer network and networking technology, digital storage media, certification, access control and by public keys, encryption, Other security tools and technology that fire wall, and/or other devices are provided.
Fig. 1 is the schematic diagram that figure shows the system 100 for providing metadata driven UI.System 100 includes passing through net The server system 102 and client 104 of the communication of network 106.In one embodiment, network 106 can include multiple networks, should Multiple networks include LAN (LAN), wide area network (WAN), internet or another network or communication connection in one or Person is multiple.In one embodiment, system 100 can be used for providing metadata driven UI for web applications, wherein, the behavior of UI Generated based on metadata.
Server system 102 can include the computing device or computing system of trustship web applications.Server system 102 The rack-mount server that can be accessed by network 106 by one or more client 104 or other calculating can be included Equipment.For example, server system 102 can be by internet access.In one embodiment, server system 102 is being allowed Need to be authorized before accessing web applications.
In one embodiment, server system 102 stores the information on web applications, including programming code, description Metadata of UI of web applications etc..In one embodiment, server system 102 stores the code of metadata interpreter, this yuan Data interpreter can be explained to metadata to generate code, such as, the code that can be explained by web browser.Service Device system 102 can also store the code for rendering engine, and the rendering engine can render visual display element, and (such as UI is provided Produce) so as to display screen or other visual interfaces of web applications.Server system 102 can be in response to from client 104 Request to web applications will be provided to client 104 with web using corresponding code, metadata etc..In one embodiment In, server system 102 can be rendered to the initial screen of web applications, to accelerate at client 104 to initial screen Display.
Client 104 can include can be with any kind of computing device or system of access server system 102.Example Such as, client 104 can include laptop computer, desktop computer, tablet PC, smart phone, net book or energy Enough access any other computing device of computer network.In one embodiment, client 104 include for access website and Perform the browser of web applications.In one embodiment, client 104 can be received in the browser for carrying out comfortable client 104 The server system 102 of execution with web apply corresponding metadata, code or other information.In one embodiment, The example of metadata interpreter and/or rendering engine may be located in client 104 and server system 102.Multiple client 104 perhaps can be connected to server system 102 and access the server system 102.
Fig. 2 is the schematic block diagram for providing the server system 102 of metadata driven UI to web applications.Server system System 102 includes host component 202, metadata interpreter 204, rendering engine 206, response assemblies 208, web application UI metadata Storage 210 and core activity type storage 212.Component 202-212 gives by way of example and possibility is not all It is included in all embodiments.
Host component 202 is configured as receiving at least one of request to web applications from client.For example, main frame Component 202 can be keyed in or selected with the web by the trustship of server system 102 using corresponding unified money in response to user Source finger URL (URL) receives request.Request can indicate specific web to apply or function.Request can include indicating visitor The information of the identity of family end 104 or user.For example, request can indicate the permit holder or entity corresponding to client 104. In one embodiment, host component 202 can determine whether ask is the initial request applied to web.For example, host component 202 can be based on whether client 104 is asking whole application or the only resource or assets of request web applications, come It is determined that request includes initial request.In one embodiment, request can indicate whether request is initial request or can refer to Show that web applies the current state at client 104.For example, request can indicate web applications it is current in client 104 everywhere In particular state (for example, processing specific activities).
In one embodiment, host component 202 can determine which part for applying web is sent to client 104.Example Such as, in response to the general request applied to web, host component 202 can be with it is determined that by whole web application (and any associations Metadata or code) send to client 104.In one embodiment, request can indicate just to be answered in requested web Specific activities or process.In one embodiment, as discussed below, host component 202 supports " deep linking ", Wherein, user can ask resource or the activity being associated with the activity in binge level.For example, user's is asked The local path of URL can represent the work of description position of the user in UI flows or the expected starting point in UI flows Dynamic level.Host component 202 can determine:If the action need asked is corresponding with the root activity in binge level Some information, it is also possible to send it to client 104 (for example, as indicated by URL paths of corresponding subactivity).
Metadata interpreter 204 to be configured as retrieving and/or explaining and apply corresponding metadata with web.In a reality Apply in example, the retrieval of metadata interpreter 204 applies corresponding metadata with the web for being asked.For example, each web applications can The corresponding metadata of the UI to be applied with description web.Metadata include the data on data, or more specifically, In one embodiment, including the claim information relevant with the UI that the web that is asked is applied.Metadata can include required form Parameter or data.The Example data formats of metadata include JavaScript object notation (JSON) form, expansible mark Note language (XML) form, comma separated value (CSV) form or other data or metadata form.In one embodiment In, metadata form does not include the form or code language that can be read by browser.For example, can be by client in order to obtain 104 codes for performing to metadata, it is necessary to be retrieved and explained/changed.
Metadata can be stored in web application UI metadata storage 210 and be stored from the web application UI metadata Retrieved in 210.In one embodiment, the runtime operation that metadata instruction runtime operation or web are applied Sequentially, and web is using including the run time of metadata driven.For example, metadata can be used for dynamically during running Next generation screen, determination should perform which process etc..In one embodiment, web applies the UI for including dynamic generation, Wherein, UI interfaces are generated based on metadata.In one embodiment, metadata is defined in the UI that web is applied and permitted Perhaps navigation.For example, metadata can indicate pending next process and/or the process to need from any of user Input.
In one embodiment, metadata interpreter 204 can retrieve the metadata specific to client 104.For example, coming Corresponding permit holder can be indicated from the request of client 104, and metadata interpreter 204 can check for rent Any self-defining metadata of user.In some embodiments it is possible to be come based on each permit holder to workflow and work Dynamic configuration is modified, and self-defined UI outward appearances and behavior are provided with for each permit holder.Server system 102 will can be modified for It is that independent entry data storage is stored in 210 in web application UI metadata.Once correlation UI metadata is via metadata interpreter 204 are recognized, it is possible to being applied to acquiescence UI metadata before being processed specific to any modification of permit holder. Default meta data is modified using client specific metadata can allow do not redeploying or restarting In the case that web is applied, the whole UI of web applications is changed based on each permit holder.Combination or amended unit Then data can be provided to client 104 by response assemblies 208, or can be provided to browser or rendering engine 206 To generate UI.
Metadata interpreter 204 can be explained to metadata, and can be used to generation generating rendering engine 206 is directed to The code or information of the UI that the vision screen of browser is applied with the operation for controlling web to apply or web.In one embodiment In, metadata includes indicating the information of one or more activity or Activity Type in web applications.It is as used herein , given term active represents the metadata of the discrete portions (UI that such as web is applied) of web applications to mean.For example, movable Can be used to indicate that receive the form of the input from user, chart or figure, to the calling of service, present it is to be viewed/compile The operation of the list of the record collected, the operation for performing boolean (Boolean) logic or other operations.Each activity and activity Type is corresponding.Activity Type is bundled with the movable classification or module of responsible execution the type.Activity also can group Being combined into each activity can be comprising subactivity.For example, any kind of activity can be included or with reference to any other type Activity.
In one embodiment, the information relevant with core activity type can be included in core activity type storage 212 In.In one embodiment, can by any web apply the multiple built-in Activity Type that uses can be set up with system and Stored by core activity type storage 212.Some the example activities types that can include as core activity type include work Process action type, step Activity Type, list Activity Type, " composition " Activity Type, " if " Activity Type, application activity Type, mode activities type and protection Activity Type.The list only gives and in different implementation by way of example Can significantly be changed in example.
Workflow Activity Type is the activity for carrying out sequence flow control.Workflow can include multiple steps Activity Type.Each step Activity Type can be included in the movable logic groups in workflow.Step activity can be used for Progress of the display user in workflow.Each step activity is made up of one or more activity.In one embodiment, There is visible component by convention at least one of step activity activity, and therefore can represent in UI flow of navigation Discrete point.For example, request can indicate client 104 that any specific step of workflow skipped is wished in web applications Rapid activity.
List Activity Type is to be presented to user and allow user to recording the activity into edlin record list.Example Such as, viewable list can be presented on screen, and user can provide input, modified with to the entry in list, deleted Rearranged etc. except entry, addition entry, to list.
Composition Activity Type allows user or developer to create the activity being made up of multiple activities.In one embodiment In, main activities, the row of one or more activity including being performed before staying in main activities are specified in the configuration of composition activity " before " attribute of table, and/or comprising " afterwards " for staying in one or more the movable list performed after main activities Attribute.Composition activity allow to treat with the activity (such as, spreadsheet activity) with visible component bind together it is arbitrary before Operate afterwards.It may desirable, in one embodiment main activities include visible component, and before may being limited in and it Between the activity listed in part there is visible component.
If Activity Type allows user to create branching logic.In one embodiment, if the configuration of activity specifies one Plant expression, i.e. " then (so) " activity, and be optionally " else (otherwise) " activity.When being estimated, expression is produced Boolean (Boolean) value (for example, true or false).If when activity is performed, be estimated to expression.If expression assessed It is genuine boolean (Boolean) value, then perform then activities.If boolean (Boolean) value for being evaluated as vacation will be expressed, that Else activities are performed, even if having specified that one.
Application activity type can be used for non-sequential flow process control.The example of application activity is table-layout, wherein, answering Each activity listed in configuration with activity is corresponding with visual tab.When user have selected visible component, can hold The row subactivity corresponding with tab.It should be noted that application activity and web applications are not the same thing, web applications refer to can be with The primary application of its UI is realized using metadata driven UI frameworks.
Mode activities type can be used for performing single subactivity and rendering it in modal dialog.Because Activity can include arbitrary subactivity level, so mode activities can be used for schematically presenting the UI components of complexity.
Protection activity includes irremovable activity.For example, protection Activity Type can be received comprising checking whether To the non-visual activity of the information needed from user.For example, protection activity can follow data input of the collection from user Spreadsheet activity.After user have selected the next option on spreadsheet activity, protection activity can be performed is to determine It is no to have been provided for all required information.If protection activity determines all required information of typing, then protection Activity can allow client 104 to continue next activity in web applications.If protection activity determines not providing some institutes also The information for needing, then protection activity can prevent to advance to navigate and provided on form to be needed to fill in which domain or need choosing Select the instruction of which option.
Spreadsheet activity type can define the visual form for being presented to user.The configuration of spreadsheet activity can with instruction user To provide one or more domain of input.Example domains are including check box, radio button, drop-down list, textview field etc..At one In embodiment, activity can serve as field type.For example, domain can be corresponding with another activity.Spreadsheet activity can be used for receiving Input from user, so that web is using use or is stored.
As described above, above-mentioned Activity Type only gives by way of example.Application-specific can have multiple living respectively Dynamic, the plurality of activity has other Activity Types, and other Activity Types are in interior offer expectation function and the operation of application.Except core Outside the heart or built-in Activity Type, it is allowed to which user or developer are activity extensions or create custom activities type. For example, web application developers can create the custom activities type of their own.Custom activities type can be completely new Or pre-existing Activity Type can be extended.In one embodiment, developer can create and be applied to The extension of pre-existing Activity Type.In the case where bottom code is not changed, this enables the self-defined stock of developer The behavior of Activity Type.In one embodiment, existing Activity Type extension is made to be for rewriteeing expanded activity by definition The new metadata and code of the behavior of type is completed.In one embodiment, can be specific to permit holder storage through expanding Exhibition Activity Type or custom activities type.If for example, creating the new Activity Type relevant with permit holder, then can be with New Activity Type and any corresponding code is stored separately, so as to simply use the activity class relevant with specific permit holder Type.
In one embodiment, each movement reference Activity Type.In one embodiment, Activity Type be comprising treat by System performs to perform the module of the movable code of the type.Activity Type can disclose the generation that can be used for Activity Type One or more input attribute that the behavior of code is modified.Activity is provided to the value of these input attributes and is collectively referred to as activity Configuration.The configuration of activity is the part of activity metadata.In one embodiment, without clearly including data as unit In the case of the part of data, metadata may be referred to input of the data as activity.If the type activity (for example, Metadata) configuration of their own is not defined, Activity Type can define the default configuration to be used in event.
The operation that each representation of activity should be performed by system.Generally, activity include instruction system generate UI assets and It is submitted to the visible component of browser.However, activity can represent the operation without visible component, such as, clothes are called Business and memory response.
The navigation by UI of user is referred to as flow.In one embodiment, metadata passes through in response to customer incident It is determined that performing which activity to control the flow by system of user.Some Activity Types are specifically designed to control user's By the flow of UI.Some examples of these Row controls activity are workflow activity, application activity, list activity, pattern Activity and protection activity.When user's triggering needs the UI events of navigation, movable Row control activity will determine next to perform Which activity.If for example, given UI is defined as into the workflow activity with sub-table active sequences, then perform The first spreadsheet activity in sequence, the visual representation of form is presented to user by this successively.If user's triggering UI events are submitted to Form, then once being processed form, the first spreadsheet activity can just signal it and perform completion.This When, workflow activity can perform second spreadsheet activity in the sequence etc..
But activity can also have one or more activity that is being triggered in response to UI events not constituting UI navigation. In one embodiment, Activity Type can define default-action, but can be the action of rewriting activity.The action of activity can be with Perform another activity.
In one embodiment, each representation of activity with visible component (such as spreadsheet activity) in UI flows from Scatterplot.The activity without visible component is performed, but can be to stop navigation.For example, it is assumed that given UI is defined as into tool There are two workflow activities of subactivity:Spreadsheet activity and it is configured as service activity and then being performed before performing The composition activity of leading schedule activity.In one embodiment, when workflow activity is first carried out, perform sub-table and live Dynamic, the visual representation of form is presented to user and operates navigation and stopped by this successively.If user triggers UI events to carry Hand over form, then once being processed form, the first spreadsheet activity can just signal it and perform completion.This When, workflow activity will perform sub- composition activity.Composition activity will be first carried out before service activity.Because service activity is not With visible component, so its execution will not operate navigation stopping.Composition activity then perform leading schedule activity, this according to It is secondary the visual representation of form to be presented to user and navigation is operated stopping.
As understood based on the disclosure, the activity of metadata and the movable operation that can create control UI and web applications Level.For example, root level can be corresponding with the beginning interface or screen that web is applied, and subactivity can be formed point Branch level, wherein, some activities are subordinated to other activities.In one embodiment, the flexibility of combined moving is based only on unit Data change come the complicated of UI for allowing web to apply.Therefore, in the case where not changing or creating code, user can determine Adopted complicated UI navigation and flow.
Fig. 4 figures show the example activities level 400 of web applications UI.Level 400 includes to be held during web is applied Capable multiple visual activity 404-406.Level 400 can be by metadata definition.Level 400 include root activity, activity A 402, And subactivity, the subactivity include activity B 404, mobile C 406 and activity D 408.In one embodiment, metadata can Include the configuration of the movable A 402 of configuration information to define, configuration information instruction activity B 404, mobile C 406 and activity D 408 is the subactivity of movable A 402.Subactivity can be defined as movable E 410 and activity by the metadata configurations of movable B 404 F 412.Similarly, the metadata configurations of movable E 410 can define subactivity H 416, and the metadata of mobile C 406 is matched somebody with somebody Putting can define subactivity G 414.Therefore, metadata can allow user based on metadata to specify level, including UI navigation Or flow.For example, a permit holder may expect that movable G is performed as the subactivity of movable H, and first number can be specified This change is made according to this.Therefore, permit holder can obtain expected self-defined UI, however, other permit holders will not see This change.Fig. 2 is come back to, metadata interpreter 204 can be by retrieving the code corresponding with metadata come to first number According to explaining.For example, metadata interpreter 204 can retrieve the code corresponding with Activity Type.Metadata interpreter 204 Any parameter (that is, active configuration) that can be defined by code and for the metadata of activity is provided to browser or wash with watercolours Dye engine 206, for processing or execution.In one embodiment, metadata interpreter 204 can be obtained by default activity class The code of the current active indicated by type, modifies with to metadata, so as to default activity type, and/or self-defined work Dynamic type is modified.For example, before it is determined that retrieving what code for activity, can be by default meta data and lessee Specific metadata is combined.
According to one embodiment, each activity as specified by metadata can include two during web application operatings Stage:Setting stage and run time stage.The setting stage can include:Metadata interpreter 204 retrieval metadata, obtain with The corresponding code of metadata and it is input into for code, and the run time stage can include:Based on it is any input come Perform code.In one embodiment, metadata interpreter 204 can be based on activity one by one come to metadata Reason.For example, metadata interpreter 204 can only retrieve current active or follow the work of the up to predetermined number of current active Dynamic code.The code that will can be retrieved is provided to rendering engine or web and applied, show/perform.For example, working as When in server system 102, the code that will can be retrieved is provided to rendering engine 206, but can be not in server system It is rendered on the display of system 102.
Rendering engine 206 is configured as metadata and/or the other information conversion that will be retrieved by metadata interpreter 204 It is UI assets, to be shown as the part of the screen at UI interfaces.UI assets can include can by the information of browser-interpreted or Code.The UI assets generated by rendering engine 206 can include mark, such as, in accordance with Hyper-Text Markup Language (HTML) association The text or symbol of view.UI assets can also include can be by the code of browser-interpreted, such as, JavaScript.UI is provided Produce can include resource file or to resource file (such as image file, text, video file, audio file or Other files) reference, to be shown as the part of webpage or interface.
In order to be rendered to UI, system shows to UI metadata, and is dynamically generated necessary UI assets (example Such as, mark, code and the reference to resource file), and the browser of user is provided to be processed.At one In embodiment, rendering engine 206 carries out wash with watercolours based on the metadata or code retrieved by metadata interpreter 204 to screen Dye.
According to one embodiment, the example of rendering engine 206 both runs on server system 102, and in client 104 Web browser in run.When the first request is submitted to the server of main frame by user, run on the server of main frame Rendering engine 206 performs and initial screen is rendered.Then, in response to the request of user, the UI assets that will be generated together with should UI metadata sends to the browser of user together.In some cases, without server communication further with main frame It is necessary.The rendering engine 206 run in the browser of client can be carried out to the UI metadata of any remaining screen Render, and the UI assets that will be generated are provided to browser.Initial screen is rendered on the server, so as to browse Device is just presented content visible to user at once after having completed to process response.If not to initial screen at browser Curtain is rendered, then blank screen can be presented to user, until client-side rendering engine is to the UI units number of initial screen According to being processed.Therefore, it can show initial screen more quickly, because client 104 withouts waiting for metadata interpreter 204 and/or rendering engine 206 generate the UI assets of screen.In one embodiment, the rendering engine of server system 102 206 determine that request is the initial request of web applications in response to host component 202, to be rendered to initial screen.In a reality Apply in example, other screens can be rendered at client 104.
In one embodiment, initial screen is by the combination of all activities with part in initial visual presentation. If for example, the active configuration of the first activity is the workflow activity of the sequence for defining multiple spreadsheet activities, then initial screen Curtain will including workflow shell (control, title, text) together with the first spreadsheet activity in the sequence visual representation.
In one embodiment, each active configuration (as defined in metadata) indicate what will be presented to user can Depending on component.In one embodiment, by the subactivity level of recursively navigation activity and for complete active tree sets up visual Context come determine activity current state visual representation.It is then possible to be rendered to the visual context of result, carried with creating Give the UI assets of browser.For example, rendering engine 206 can be configured as:It is living by the movable and any son of recursively assessment It is dynamic to think that screen sets up visual context and carrys out display screen in response to completing to set up visual context, carry out wash with watercolours come the screen to UI Dye,
The technology recursively set up visual context and once rendered to it generally compares each subactivity and carries out Recurrence is rendered faster, because only the DOM Document Object Model (DOM) to browser updates once.If individually sub-active enters Row is rendered, then the DOM of browser is repeatedly updated by triggering, and this will substantially slow down and render.Rendering engine 206 is configured It is that initial screen is rendered by generating the UI assets corresponding with initial screen, so that client shows.
Response assemblies 208 be configured as will include with the web for being asked using corresponding metadata response send to Client 104.In one embodiment, response assemblies 208 send information to client 104, as host component 202 determines 's.For example, response can include the metadata of whole web applications.In one embodiment, response can include by rendering engine 206 initial screens for rendering.For example, if in response to sending response to the initial request of web applications, then response can be wrapped Include the UI assets of initial screen.According to one embodiment, typical situation is, all by what is applied in response to initial request UI metadata is sent to client 104 from the server of main frame.However, it is also possible to subsequent request is sent into following just to main frame The server (or third-party server) of the additional UI metadata of beginning request.
Fig. 3 is the schematic block diagram of client 104.Client 104 includes request component 302, receiver assembly 304, display Component 306 and web browser 308.Client 104 also includes metadata interpreter 204, rendering engine 206 and core activity Type storage 212.In one embodiment, metadata interpreter 204, rendering engine 206 and core activity type storage 212 There is provided by server system 102 and run (such as, in the web browser 308 of client 104) with client 104.
Request component 302 is configured as sending at least one of request to web applications.Request component 302 can ring Input should be provided in user's selection link, input URL or otherwise to run by the trustship of server system 102 Web applies to send request.Request can include applying corresponding URL with web.Request can indicate specific web apply or Person's function.Request can include the information of the identity for indicating client 104 or user.For example, request can indicate client Permit holder or entity corresponding to 104.Request component 302 can send including request the request of the instruction for being initial request. In one embodiment, if web applications run in client 104, then request component 302 can indicate web to answer Current state.
In one embodiment, system supports deep linking, wherein, user can ask and the activity in binge level Associated resource.For example, client 104 can ask activity, rather than root activity.Reference picture 4, deep linking can include Request activity B 404 or any other activity in binge level 400, rather than root activity, activity A 402.At one In embodiment, the local path of the URL of the request of user represents the work of the position in description user in the UI flows that web is applied Specific activities in dynamic level 400.In one embodiment, if request non-root activity, then root activity (or in binge level In other activity) opposite segments in URL paths are transferred to corresponding subactivity.Subactivity will be using relative path really Fixed its visual representation, and then using its subactivity come repetitive process etc..The deep linking allows workflow or web to answer Any activity is the point of penetration of system action.For example, workflow is in itself Activity Type.Workflow is characterized to live Dynamic type may be easy to integrated with Legacy System, and this can depend on workflow.
In certain embodiments, request component 302 can be sent in the request after initial request.For example, request component 302 server systems 102 (or third-party server) that can send the request to additional UI metadata.
Receiver assembly 304 can be configured as receive from the web for being asked apply corresponding server system 102 response.Response can include any one of above- mentioned information relevant with server system 102.Response can include The metadata of whole web applications.In one embodiment, response can include by rendering engine 206 in server system 102 The initial screen for rendering.For example, if in response to sending response to the initial request of web applications, then response can include The UI assets of initial screen.In one embodiment, response can include metadata interpreter 204, rendering engine 206, and/or Core activity type storage 212.
Display module 306 is configured as showing one or more visible component of UI.In one embodiment, display group Part 306 shows the screen rendered by rendering engine 206 in browser window.For example, display module 306 may be displayed on coming The initial screen received from the response of server system 102.Exist in one embodiment, display module 306 can show by The screen that the rendering engine 206 of client 104 is rendered.In one embodiment, display module 306 includes client 104 Physical display.
Web browser 308 can include being configured as being accessed based on Networking protocol application or the group of file and website Part.For example, web browser 308 can be configured as based on communication protocol, markup language, the text for web applications, website etc. One or more in part type etc. are browsed and access website and file.Example browser includes mobile or desktop version InternetMozillaGoogleDeng.
Metadata interpreter 204 can include the metadata interpreter on Fig. 2 descriptions.For example, in client 104 Metadata interpreter 204 can be included in another example of the metadata interpreter 204 on server system 102.In a reality Apply in example, metadata interpreter 204 can be used for explaining the metadata at client 104, think web applications, control The generation such as system navigation UI.
Rendering engine 206 can include on the rendering engine described by Fig. 2.For example, rendering in client 104 is drawn Hold up another example of 206 rendering engines 206 that can be included on server system 102.In one embodiment, rendering engine 206 can be used for rendering any screen not being rendered at server system 102.If for example, initial pictures are Rendered via server system 102, then rendering engine 206 can be not used in and the initial pictures are rendered.In initial graph Image as after can be that local rendering engine 206 is rendered by for client 104.
Client 104 can also include the core activity for storing the information relevant with core or built-in Activity Type Type storage 212.For example, core activity type storage 212 can include and Activity Type or the activity by metadata configurations Corresponding code.
Based on teachings disclosed herein, and the metadata interpreter 204 being located at client 103 is utilized, is rendered and is drawn 206 and core activity type storage 212 are held up, client 104 can be explained to metadata, think corresponding web applications Dynamic generation UI.Therefore, client 104 can use metadata to define UI layouts and content and UI behaviors and navigation.This Outward, developer and user can make UI extend and enter to it by UI metadata entering edlin and extending it Row is self-defined.The present invention can automatically apply UI to change in the case where not redeploying or restarting application server. Furthermore, it is possible to isolate the change made on specific permit holder, so that these UI changes only influence the final of certain group The experience of user (user corresponding with lessee).
Fig. 5 is the schematic flow diagram that figure shows the method 500 for providing metadata driven UI for web applications.One In individual embodiment, method 500 is performed by the server system 102 of Fig. 2.
Method 500 starts, and host component 202 receives the request (502) from client 104.Request can be indicated At least one of request to being applied by the web of the trustship of server system 102.Metadata interpreter 204 is searched and asked Web apply relevant UI metadata (504).For example, metadata interpreter 204 can retrieve the default activity applied with web Corresponding metadata.In one embodiment, metadata interpreter 204 can retrieve the metadata specific to lessee.First number Default meta data can be modified based on lessee's specific metadata according to interpreter 204.
Whether host component 202 determines include initial request (506) from the received request of client 104 (502).If Request is initial request (being) in 506, then rendering engine 206 is based on the first number found by metadata interpreter 204 (508) are rendered to initial screen according to (504).Response assemblies 208 will be responded and sent to client 104 (510), the response The UI metadata retrieved including any UI assets (508) rendered by rendering engine 206 and by metadata interpreter 204, and And method 500 terminates.If request is not initial request (no in 506), then response assemblies 208 are sent by metadata solution The UI metadata (512) that device 204 is retrieved is released, and method 500 terminates.In one embodiment, response assemblies 208 can be sent out Send the response of the state component including web applications.For example, state may indicate whether to render initial screen. State can allow client 104 to restart server system 102 in the case where not rendered again to initial screen Stopping place.
Fig. 6 is the schematic flow diagram that figure shows the method 600 for providing metadata driven UI for web applications.One In individual embodiment, method 600 is performed by the client 104 of Fig. 3.In one embodiment, client 104 can combine server The method 500 that system 102 performs Fig. 5 performs method 600.
Method 600 starts, and asks component 302 to send to server at least one of request applied to web System 102 (602).Receiver assembly 304 receive to ask response (such as, sent during method 500 response (510 or Person 512)) (604).Response can include the UI metadata of web applications and/or the UI assets of initial screen.UI assets can be wrapped Include the assets rendered by the rendering engine 204 on server system 102.
Receiver assembly 304 determines whether the request (602) sent by request component 302 is initial request (606).Example Such as, receiver assembly 304 can determine whether the response (604) received by receiver assembly 304 includes the UI of initial screen Assets (606).Used as another example, whether receiver assembly 304 can determine request based on status information in the response It is initial request.For example, client 104 can continue executing with web applications based on status information indicated in the response.
If request is not initial request (no in 606), then rendering engine 206 is rendered to initial screen (for example, visually being rendered to UI metadata) (608), and it is clear that the UI assets of rendered initial screen are submitted into web Device 308 is look to be shown (610), and method 600 terminates.If request is initial request (being) in 606, then wash with watercolours Dye engine 206 submits the UI assets (604) for receiving to be shown (610) in response to web browser 308, and method 600 terminate.
To those skilled in the art, in the case of the cardinal principle for not departing from the disclosure, can be to above-mentioned reality Apply example details make it is many change be obvious.Therefore, the scope of the present disclosure should be only true by following claims It is fixed.

Claims (20)

1. a kind of system, including:
Host component, the host component is configured as receiving at least one of request to network application from client;
Metadata interpreter, the metadata interpreter is configured as first number of the user interface of the retrieval description network application According to;
Rendering engine, the rendering engine is configured as rendering initial screen based on the metadata, for the visitor The initial screen that family end shows is relevant with the activity of the network application;And
Response assemblies, the response assemblies are configured as sending the metadata and the initial screen to the client.
2. system according to claim 1, wherein, whether the host component is configured to determine the request Including initial request, and wherein, the rendering engine is configured to respond to determine that the request includes the initial request, The initial screen is rendered by rendering.
3. system according to claim 1, wherein, the network application includes the run time of metadata driven, and Wherein, the metadata that the metadata interpreter retrieval is associated with the network application, the network application includes referring to Show the metadata of the runtime operation of the network application.
4. system according to claim 1, wherein, the network application includes the user interface of dynamic generation, wherein, institute User interface is stated to be generated based on the metadata.
5. system according to claim 1, wherein, the rendering engine is configured to generation and supplies the client The corresponding user interface assets of the initial screen of display are rendered to the initial screen.
6. system according to claim 1, wherein, the user interface of the metadata definition in the network application Interior navigation.
7. system according to claim 1, wherein, the response assemblies are configured to respond to the request to send bag Include the metadata of all metadata corresponding with the network application.
8. system according to claim 1, wherein, the metadata interpreter retrieval and one or more Activity Types Corresponding metadata and retrieve metadata specific to the permit holder corresponding with the client.
9. a kind of system, including:
Request component, the request component is configured as to send to server at least one of request of network application;
Receiver assembly, the receiver assembly is configured as receiving the response to the request from the server, its In, the response includes the metadata and the user interface assets of initial screen of the user interface for describing the network application;
Display module, the display module is configured as showing the initial screen over the display;And
Metadata interpreter, the metadata interpreter is configured as processing the metadata, thinks that the network should With offer runtime operation.
10. system according to claim 9, wherein, the metadata indicate the network application movable one kind or Person's various activities type, wherein, the activity indicates one or more pending process.
11. systems according to claim 10, wherein, the metadata includes and described one or more Activity Types Corresponding metadata and the metadata specific to permit holder.
12. systems according to claim 11, wherein, described one or more Activity Types include custom activities class Type, wherein, the custom activities type is specific for the permit holder definition.
13. systems according to claim 11, further include metadata interpreter, and the metadata interpreter is configured There is one or more movable code of one or more Activity Types for retrieval for performing.
14. systems according to claim 10, wherein, the metadata further indicates the activity and with described one The level of one or more additional active of kind or various activities type.
15. systems according to claim 14, further include rendering engine, the rendering engine be configured to Under type is rendered come the screen to the user interface:
Recursively the movable and any subactivity of assessment, thinks that the screen sets up visual context;And
In response to completing to set up the visual context to show the screen.
16. systems according to claim 14, wherein, the request indicates the work asked in the network application It is dynamic, wherein, activity of the activity including rank less than the root activity in the level of the activity.
17. systems according to claim 16, wherein, the initial screen in the response includes and is asked The corresponding screen of activity.
A kind of 18. non-transitory computer-readable storage medias of the computer-readable instruction code that is stored with, the computer can Reading instruction performs method for computer system, and methods described includes:
At least one of request of network application will be sent to server;
The response to the request from the server is received, wherein, the response includes the description network application The metadata of user interface and the user interface assets of initial screen;
The initial screen is shown over the display;And
The metadata is processed, runtime operation is provided with for the network application.
19. non-transitory computer-readable storage medias according to claim 18, wherein, methods described is further wrapped Include:One or more screen subsequent is rendered based on the metadata.
20. non-transitory computer-readable storage medias according to claim 18, wherein, the metadata indicates described One or more movable Activity Types of two or more of network application and the layer of one or more of activities Level, and wherein, the request indicates the activity asked in the network application, wherein, the activity includes rank Less than the activity of the root activity in the level of the activity.
CN201580041664.5A 2014-09-10 2015-09-01 For the system and method for the user interface frame of metadata driven Pending CN106796515A (en)

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